The best password is 595313131313131 , It can get you all the characters and the cheats.
In the Ultimate Flash Sonic, a password for Shadow and Amy is 595313131313131.
sonicboom
There is none as Silver did not exist at the time of Ultimate Flash Sonic's creation.
From the main menu, select "PASSWORD". Then select "ENTER PASSWORD". Enter the password : 211313101010101.
the ultimate password is 595313131313131
It's on the main menu of the game. Go to Password -> Enter Password.
595313131313131 can be used to unlock EVERYTHING.
the password is 595313131313131 that is 5953 then 13 5 times and then 1
enter the password then go to cheats and put tails follow on the password is 5953131313131313
complete lleaf forest pause and click password then enter password then type 2452676
It depends, I only know the answer if its for Ultimate Sonic Flash. In Ultimate Sonic Flash, you click on the Get Password Button and make sure you've written down the password on a piece of paper. Then type in the password in the box. So far, I've only used it to be Shadow the Hedgehog. I also know that it allows you to be two people. Though I haven't used that before.
Just go to password and type in: 595313131322222. The cheats are big cheese sonic run 2